About 40% to 80% of gallbladder cancers are accompanied by gallstones, however, the figures reported by various countries vary greatly, and are high in Europe and the United States but low in China. It is generally believed that gallbladder cancer is related to long-term gallbladder stones, and in patients with gallbladder cancer and gallstones coexisting, most of the gallstones occur before the cancer, about 6% to 9% of cases are found to be gallbladder cancer after cholecystostomy due to acute cholecystitis, and these cases have been ruled out at the time of surgery. These cases have ruled out the possibility of missed diagnosis during surgery. Ultrasound is a non-invasive diagnostic method that can clearly display the gallbladder and has a diagnostic rate of over 95% for gallbladder stones, and can detect stones with a diameter of 0.3 cm or more. As the preferred method of gallbladder stone examination, ultrasound is superior to CT and other methods in the diagnosis of gallbladder stones. Therefore, for patients suspected of having gallbladder stones, ultrasound is generally preferred to make a clear diagnosis. Treatment of gallstones 1, asymptomatic gallbladder stones in healthy adults may not be treated, combined with diabetes, hypertension or long-term intravenous nutrition patients can do preventive cholecystectomy (long-term intravenous nutrition patients can occur gallbladder stones, mainly because of bile stagnation, water absorption, bile salt deposition formation, I have encountered 6 cases of long-term intravenous nutrition patients in the past 2 years, gallbladder stones) 2, non-surgical treatment is mainly to alleviate the symptoms, it is difficult to discharge or clean the stones, barely discharge the stones may turn the gallbladder stones into gallbladder duct and common bile duct stones, so the surgery is more troublesome and cause more damage to the body; 3, there are two types of treatment for symptomatic gallbladder stones: removal of stones while retaining a functional gallbladder; surgery to remove the gallbladder and stones. Diet 1. No alcohol and alcoholic beverages 2. Excessive cholesterol intake can increase the metabolic and cleaning burden of liver and gallbladder, and cause excess cholesterol to crystallize, accumulate and precipitate in the gallbladder wall, thus forming stones, so cholesterol intake should be reduced, especially at night, and high cholesterol foods such as eggs (especially egg yolks), fatty meat, seafood, scaleless fish, animal offal and other foods should be avoided. Other dietary considerations 1. It is advisable to eat a variety of fresh fruits and vegetables, low-fat, low-cholesterol foods such as: mushrooms, fungus, celery, bean sprouts, kelp, lotus root, fish, rabbit, chicken, fresh beans, etc. 2.It is advisable to eat more dry beans and their products. 3.It is advisable to use vegetable oil, not animal oil. 4, eat less chili, raw garlic and other stimulating food or spicy food 5, it is appropriate to use cooking, steaming, braising, stir-frying, mixing, blanching, stewing cooking methods, without oil frying, deep-frying, baking, smoking cooking methods. 6, hawthorn 10 grams, hang chrysanthemum 10 grams, cassia seeds 15 grams, decoction for tea or drinking green tea. 7, usually drink water, pinch a little hawthorn, sea buckthorn, ginkgo, gibberellic acid grass into the water cup as tea.